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Converting PT -92 mag to work in a Px4

Discussion in 'Handgun Discussion' started by idahoan, Feb 4, 2014.

  1. idahoan

    idahoan Boise, Idaho Active Member

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    How to make a Taurus PT-92 magazine to work in a Beretta PX4.

    The reason I did this bit of research is for two reasons. 1: because of the lack of availability of 30 round magazines for the PX4 platform, Beretta says they make them but they are usually out of stock and expensive at that. 2: because PT-92 magazines are much cheaper than PX4 magazines, I have seen them on blowout for $8.99! So lets get to it.

    First a comparison of the two magazines.
    PX4 body width = .8”, PT-92 = .798” so a little smaller by a few thousandths
    Magazine depth (front to back) identical
    Angle of feed = identical
    Angle of floorplate = identical
    PX4 front lip to top of mag notch = 1.475” PT-92 = 1.67”
    PX4 notch width top to bottom = .10”
    Px4 notch depth front to back = .30”
    Px4 top lip to bottom of notch = 1.575”

    So this tells us that if you were to cut a .1” notch @ the 1.475” mark on the pt 92 magazine it will lock into the PX4 and fit. So I marked it out with my digital micrometer (harbor freight) and cut the notch with a dremel. The width of the notch is more important than the depth. Go slow and test fit often. Voila, now I had a 30 round mag for my PX4 for $9.

    Now I used this to make a 30 round mag for a subcompact, if you were to use on the 17 rnd mags and on a full size PX4 I would suggest that you check the magazine length.
  2. Reno911

    Reno911 Hillsboro Well-Known Member 2015 Volunteer 2016 Volunteer

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    I've done similar to make hi cap 30 round 92 mags to fit Taurus PT111s. I have a pic in my computer I'll load up tomorrow.
  3. Mark W.

    Mark W. Silverton, OR Bronze Supporter Bronze Supporter

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    Sure would like to see if this could be made to work for a 8045F Cougar (now branded Stoeger)Those mags are near impossible to find.
  4. Reno911

    Reno911 Hillsboro Well-Known Member 2015 Volunteer 2016 Volunteer

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  5. jefe00

    jefe00 Miami New Member

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    Hey idahoan, do you have any pics of the modifications that could help a novice like me out? I'd live a 30 round clip for my Px4!

    Thanks in advance